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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_ | |
6 #define EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_ | |
7 | |
8 #include <MGL/mgl_types.h> | |
9 | |
10 #include "base/callback.h" | |
11 #include "base/containers/hash_tables.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "mojo/public/cpp/bindings/binding.h" | |
14 #include "mojo/services/geometry/interfaces/geometry.mojom.h" | |
15 #include "mojo/services/gpu/interfaces/gpu.mojom.h" | |
16 #include "mojo/services/surfaces/interfaces/surface_id.mojom.h" | |
17 #include "mojo/services/surfaces/interfaces/surfaces.mojom.h" | |
18 | |
19 namespace mojo { | |
20 class Shell; | |
21 class View; | |
22 | |
23 // BitmapUploader is useful if you want to draw a bitmap or color in a View. | |
24 class BitmapUploader : public ResourceReturner { | |
25 public: | |
26 explicit BitmapUploader(View* view); | |
27 ~BitmapUploader() override; | |
28 | |
29 void Init(Shell* shell); | |
30 | |
31 // Sets the color which is RGBA. | |
32 void SetColor(uint32_t color); | |
33 | |
34 enum Format { | |
35 RGBA, // Pixel layout on Android. | |
36 BGRA, // Pixel layout everywhere else. | |
37 }; | |
38 | |
39 // Sets a bitmap. | |
40 void SetBitmap(int width, | |
41 int height, | |
42 scoped_ptr<std::vector<unsigned char>> data, | |
43 Format format); | |
44 | |
45 private: | |
46 void Upload(); | |
47 uint32_t BindTextureForSize(const Size size); | |
48 uint32_t TextureFormat(); | |
49 | |
50 void SetIdNamespace(uint32_t id_namespace); | |
51 | |
52 // ResourceReturner implementation. | |
53 void ReturnResources(Array<ReturnedResourcePtr> resources) override; | |
54 | |
55 View* view_; | |
56 GpuPtr gpu_service_; | |
57 MGLContext mgl_context_; | |
58 | |
59 Size size_; | |
60 uint32_t color_; | |
61 int width_; | |
62 int height_; | |
63 Format format_; | |
64 scoped_ptr<std::vector<unsigned char>> bitmap_; | |
65 SurfacePtr surface_; | |
66 Size surface_size_; | |
67 uint32_t next_resource_id_; | |
68 uint32_t id_namespace_; | |
69 uint32_t local_id_; | |
70 base::hash_map<uint32_t, uint32_t> resource_to_texture_id_map_; | |
71 mojo::Binding<mojo::ResourceReturner> returner_binding_; | |
72 | |
73 DISALLOW_COPY_AND_ASSIGN(BitmapUploader); | |
74 }; | |
75 | |
76 } // namespace mojo | |
77 | |
78 #endif // EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_ | |
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